The Polarizing Key,electrical Connec, cataloged under National Stock Number 5935-01-660-2977, is classified within Federal Supply Class 5935 (Connectors, Electrical) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Amphenol Corp Div Amphenol Aerospace Operations. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Polarizing Key,electrical Connec |
| FSC / FSG | 5935 — Connectors, Electrical (FSG 59) |
| Manufacturers | Amphenol Corp Div Amphenol Aerospace Operations (CAGE 77820) |
| Parameter | Value |
|---|---|
| NSN | 5935-01-660-2977 |
| Primary Part Number | 10-507903-003 |
| Item Name | Polarizing Key,electrical Connec |
| FSC / FSG | 5935 / 59 — Connectors, Electrical |
| Manufacturer | Amphenol Corp Div Amphenol Aerospace Operations |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 10-507903-003 PRIMARY | Amphenol Corp Div Amphenol Aerospace Operations (USA) |
| Reference | Meaning |
|---|---|
| 603780-93 | 5/2 Secondary reference U.S. Government activity |
| 603780-93 | 5/9 Secondary reference Harris Corporation Dba Edo Communications and Countermeasures Systems |
| 603780 | D/9 Drawing number reference only Harris Corporation Dba Edo Communications and Countermeasures Systems |
NSN 5935-01-660-2977 is a Polarizing Key,electrical Connec, manufactured by Amphenol Corp Div Amphenol Aerospace Operations, classified under FSC 5935, Connectors, Electrical. Status: active.
NSN 5935-01-660-2977 has 1 manufacturer part number on file: 10-507903-003 (Amphenol Corp Div Amphenol Aerospace Operations).
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.